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| author | Jakub Jelinek <jakub@redhat.com> | 2016-10-12 01:19:06 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-10-12 01:19:06 +0200 |
| commit | 70f6d5e19bb7c0eed9f3fc028632405b5c166676 (patch) | |
| tree | 07eca0bd2785dbe7d4080d868f53c82033d3cef3 /gcc/testsuite/c-c++-common/Wimplicit-fallthrough-30.c | |
| parent | 4803de58c5fc0f260fe63cedbdfcd4091d136fbf (diff) | |
| download | gcc-70f6d5e19bb7c0eed9f3fc028632405b5c166676.zip gcc-70f6d5e19bb7c0eed9f3fc028632405b5c166676.tar.gz gcc-70f6d5e19bb7c0eed9f3fc028632405b5c166676.tar.bz2 | |
gcc/
* common.opt (Wimplicit-fallthrough) Turn into alias to
-Wimplicit-fallthrough=3. Remove EnabledBy.
(Wimplicit-fallthrough=): New option.
* gimplify.c (warn_implicit_fallthrough_r): Use
OPT_Wimplicit_fallthrough_ instead of OPT_Wimplicit_fallthrough.
* doc/invoke.texi (-Wimplicit-fallthrough): Document as alias
to -Wimplicit-fallthrough=3.
(-Wimplicit-fallthrough=): Document.
gcc/c-family/
* c.opt (Wextra): Add as C/C++/ObjC/ObjC++ option.
(Wimplicit-fallthrough=): Enable for these languages by -Wextra.
* c-opts.c (sanitize_cpp_opts): Initialize
cpp_opts->cpp_warn_implicit_fallthrough.
gcc/testsuite/
* c-c++-common/Wimplicit-fallthrough-25.c: New test.
* c-c++-common/Wimplicit-fallthrough-26.c: New test.
* c-c++-common/Wimplicit-fallthrough-27.c: New test.
* c-c++-common/Wimplicit-fallthrough-28.c: New test.
* c-c++-common/Wimplicit-fallthrough-29.c: New test.
* c-c++-common/Wimplicit-fallthrough-30.c: New test.
* c-c++-common/Wimplicit-fallthrough-31.c: New test.
* c-c++-common/Wimplicit-fallthrough-32.c: New test.
* c-c++-common/Wimplicit-fallthrough-33.c: New test.
libcpp/
* include/cpplib.h (struct cpp_options): Add
cpp_warn_implicit_fallthrough.
* init.c (cpp_create_reader): Initialize it to 0.
* lex.c (fallthrough_comment_p): Handle different
cpp_warn_implicit_fallthrough levels. Whitespace fixes.
From-SVN: r241013
Diffstat (limited to 'gcc/testsuite/c-c++-common/Wimplicit-fallthrough-30.c')
| -rw-r--r-- | gcc/testsuite/c-c++-common/Wimplicit-fallthrough-30.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-30.c b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-30.c new file mode 100644 index 0000000..54d22df --- /dev/null +++ b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-30.c @@ -0,0 +1,33 @@ +/* { dg-do compile } */ +/* { dg-options "-Wimplicit-fallthrough=4" } */ + +void bar (int); + +void +foo (int i) +{ + switch (i) + { + case 1: /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (1); + case 2: /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (2); + /* Some comment. */ + case 3: /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (3); + /* Here we really do want to fALl tHRoUgh and we mean it! */ + case 4: /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (4); + /* Intentionally fall through. */ + case 5: /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (5); + /* FALLTHROUGH */ + case 6: /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (6); + __attribute__((fallthrough)); + case 7: /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */ + bar (7); + default: + break; + } +} |